2569906745 has 32 divisors (see below), whose sum is σ = 3741417216. Its totient is φ = 1654272000.

The previous prime is 2569906741. The next prime is 2569906777. The reversal of 2569906745 is 5476099652.

2569906745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2569906745 - 2² = 2569906741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2569906741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233210 + ... + 243980.

It is an arithmetic number, because the mean of its divisors is an integer number (116919288).

Almost surely, 2^2569906745 is an apocalyptic number.

It is an amenable number.

2569906745 is a deficient number, since it is larger than the sum of its proper divisors (1171510471).

2569906745 is a wasteful number, since it uses less digits than its factorization.

2569906745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The square root of 2569906745 is about 50694.2476519772. The cubic root of 2569906745 is about 1369.7431001060.

The spelling of 2569906745 in words is "two billion, five hundred sixty-nine million, nine hundred six thousand, seven hundred forty-five".